Life vest



FIG. 1 is a perspective view of the life vest;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right-side elevational view thereof;

FIG. 5 is a left-side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines showing of straps and single pull tab depict portions of the life vest that form no part of the claimed design. 

CLAIM The ornamental design for a life vest, as shown and described. 